HookScorer — instant 0-100 score for your video opening
HookScorer is a free AI hook scoring tool. Paste an opening line, get an instant 0-100 retention score, and see exactly what to change.
0-100 instant score
Built on retention behavior from millions of short-form videos.
Plain-English breakdown
No jargon. Just what's working, what's not, and what to do.
Frequently asked
Does HookScorer work for long-form too?
Yes — for YouTube long-form, score the cold open exactly like a Short.
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Related reading
Score a hook
Free. No signup required.
Open the tool